The colspan is attribute of TD which tell the browsers to span or merge the number of columns on the other hand Rowspan attribute specifies the number of rows to span or merge. HTML code of the table with Colspan and Rowspan attribute. 1: <html> 2: <head> 3: <title> 4: rowspan and colspna 5: </title> 6: </head> 7: <body> 8: <table border="1" width="50%"> 9: <tr> 10:...